CN101210343A - Stainless steel electrolytic etching technique - Google Patents
Stainless steel electrolytic etching technique Download PDFInfo
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- CN101210343A CN101210343A CNA2006101324107A CN200610132410A CN101210343A CN 101210343 A CN101210343 A CN 101210343A CN A2006101324107 A CNA2006101324107 A CN A2006101324107A CN 200610132410 A CN200610132410 A CN 200610132410A CN 101210343 A CN101210343 A CN 101210343A
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Abstract
The invention provides a stainless steel electrolytic etching process, which mainly comprises the following steps of: (a) pre-treatment: cleaning the surface of a stainless steel workpiece by washing, deoiling, etc.; (b) application: applying a photosensitive adhesive on the surface of the workpiece and carrying out exposure, developing, hardening, etc.; (c) electrolytic etching: disposing the workpiece in an electrolysis tank containing a stainless steel electrolytic etching solution and electrifying for electrolysis, wherein the stainless steel electrolytic etching solution mainly contains copper chloride 200 to 400 g/L, hydrochloric acid 20 to 80 g/L, thiourea 1 to 5 g/L and potassium sodium tartrate 10 to 20 g/L; and (d) demolding: removing the residual adhesive film on the surface after electrolysis and cleaning to obtain the product. Accordingly, the stainless steel electrolytic etching process provided by the invention can achieve very high etching speed and higher accuracy under the low pressure condition, and has the advantages of simple process, low power consumption, high etching speed and wide application prospect.
Description
Technical field
The present invention relates to a kind of metal surface treatment process, particularly relate to a kind of surface treatment technique for stainless steel.
Background technology
Stainless steel has hardness height, wear-resisting, good stability, shock-resistant characteristic such as strong, and the product that stainless steel obtains through etching does not have the rim stress of machinery processing, obtained using widely, particularly aspect ornamental label and shell, used wider at aspects such as national defence, electronics, electrical equipment.But,, limited the application of stainless steel etching and processing product because stainless high rigidity and high stability do not react or react too slow with strong acid and strong base.
Summary of the invention
In view of above problem, main purpose of the present invention is to provide a kind of stainless steel electrolytic etching solution, and this solution processing procedure is simple, and power consumption is little, and etching speed is fast.
For achieving the above object, stainless steel electrolytic etching solution provided by the invention, it mainly comprises following component:
Cupric chloride 200～400g/L;
Hydrochloric acid 20～80g/L;
Thiocarbamide 1～5g/L;
Seignette salt 10～30g/L.
Wherein, described cupric chloride plays electric action as main ionogen; Described hydrochloric acid is used for activating anode and increases electroconductibility; Described thiocarbamide is as inhibiter and anti-lateral erosion agent; Described Seignette salt is as the polarization of electrode inhibitor.
In addition, another object of the present invention then is to provide a kind of stainless steel electrolytic etching technique, and its technology is simple, and is easy to operate.
Electrolytically etching is to utilize electrolytic solution and workpiece generation electrochemical reaction and with the unwanted metal of the workpiece surface process removed of dissolving fast.Under the condition of energising, anode surface generation electrochemical reaction in the electrolytic solution, workpiece is done anode, so lose electronics, generates metallic cation and dissolves and enter in the electrolytic solution, thereby reach etched purpose.
This kind stainless steel electrolytic etching technique provided by the invention, its step is as follows substantially:
1. pre-treatment, it mainly comprises steps such as degreasing, activation, it is in order to clean initial stainless steel work-piece, to remove the wet goods cleaning surfaces;
2. coating, this step can comprise steps such as making luxuriant and rich with fragrance continuous heavy rain, exposure imaging, making web plate, silk-screen, and, carry out the exposure of photoresists according to the processing pattern more normally with its surface-coated photoresists of the stainless steel work-piece after the above-mentioned processing, then develop and the post bake processing;
3. electrolytically etching is inserted stainless steel work-piece in the electrolyzer of the stainless steel electrolytic etching solution that fills above-mentioned preparation again, and workpiece is made anode, and the electrolysis of switching on then is to dissolve the exposing metal position of this stainless steel work-piece;
4. demoulding treats that above-mentioned electrolysis to predetermined extent, removes its surperficial remaining glued membrane again with lysate, and last water cleans up and obtains etching and processing workpiece product.
Because in electrolytic solution, negative electrode and anode can carry out along with electrolytic, and cathode and anode all can generating electrodes polarize, and causes the required voltage of anode dissolution more and more higher, so limited the application of electrolytically etching.And pass through to add suitable additive in this prescription, effectively suppress the generation of polarization of electrode, thereby do not need high-voltage just can obtain very fast etching speed.Therefore, stainless steel etching solution provided by the invention can be issued to very fast etching speed and higher precision in the low pressure condition, and its technology is simple, and power consumption is little, and etching speed is fast, is with a wide range of applications.
Embodiment
Embodiment 1
At first according to following formulated stainless steel electrolytic etching solution:
Cupric chloride 300g/L;
Hydrochloric acid 15g/L;
Thiocarbamide 3g/L;
Seignette salt 20g/L.
Select a stainless steel work-piece sample to clean then, remove the wet goods cleaning surfaces, and then at its surface-coated photoresists, carry out the exposure of photoresists according to the processing pattern again, then develop and the post bake processing, then this sample is placed the electrolyzer of the stainless steel electrolytic etching solution that fills above-mentioned preparation after handling, workpiece is done anode, carbon-point is done negative electrode, voltage control is 2V, and temperature is controlled to be 25 ℃, and electrolysis time is 5 minutes, after the time, remove with basic solution with this sample taking-up and with its surperficial remaining glued membrane, last water cleans up and obtains product, and resulting product etch effect obviously and accurately, etch depth reaches 0.15 millimeter.
Embodiment 2
At first according to following formulated stainless steel electrolytic etching solution:
Cupric chloride 400g/L;
Hydrochloric acid 20g/L;
Thiocarbamide 5g/L;
Seignette salt 10g/L.
Select a stainless steel work-piece sample to clean then, remove the wet goods cleaning surfaces, and then at its surface-coated photoresists, carry out the exposure of photoresists according to the processing pattern again, then develop and the post bake processing, then this sample is placed the electrolyzer of the stainless steel electrolytic etching solution that fills above-mentioned preparation after handling, workpiece is done anode, carbon-point is done negative electrode, voltage control is 3V, and temperature is controlled to be 25 ℃, and electrolysis time is 4 minutes, after the time, remove with basic solution with this sample taking-up and with its surperficial remaining glued membrane, last water cleans up and obtains product, and resulting product etch effect obviously and accurately, etch depth reaches 0.20 millimeter.
Embodiment 3
At first according to following formulated stainless steel electrolytic etching solution:
Cupric chloride 200g/L;
Hydrochloric acid 20g/L;
Thiocarbamide 4g/L;
Seignette salt 15g/L.
Select a stainless steel work-piece sample to clean then, remove the wet goods cleaning surfaces, and then at its surface-coated photoresists, carry out the exposure of photoresists according to the processing pattern again, then develop and the post bake processing, then this sample is placed the electrolyzer of the stainless steel electrolytic etching solution that fills above-mentioned preparation after handling, workpiece is done anode, carbon-point is done negative electrode, voltage control is 3.5V, and temperature is controlled to be 25 ℃, and electrolysis time is 4 minutes, after the time, remove with basic solution with this sample taking-up and with its surperficial remaining glued membrane, last water cleans up and obtains product, and resulting product etch effect obviously and accurately, etch depth reaches 0.13 millimeter.
Therefore, stainless steel electrolytic etching technique provided by the invention, its etching speed can reach 0.02～0.04 mm/min.
Above embodiment is the detailed description that the present invention is done.Notice that these embodiments are not in order to limit the present invention, for those skilled in the art, the improvement of being made and additional should be considered as within protection scope of the present invention without departing from the spirit of the invention.
Claims (3)
1. a stainless steel electrolytic etching solution is characterized in that, mainly comprises following component:
Cupric chloride 200～400g/L;
Hydrochloric acid 20～80g/L;
Thiocarbamide 1～5g/L;
Seignette salt 10～20g/L.
2. a stainless steel electrolytic etching technique is characterized in that, key step is as follows substantially:
A. pre-treatment, it mainly comprises steps such as degreasing, activation, it is in order to clean initial stainless steel work-piece, to remove the wet goods cleaning surfaces;
B. coating, and then, carry out the exposure of photoresists according to the processing pattern again with its surface-coated photoresists of this stainless steel work-piece, then develop and the post bake processing;
C. etching is inserted stainless steel work-piece in the electrolyzer that the stainless steel electrolytic etching solution that provides as above-mentioned claim 1 is provided again, and the electrolysis of switching on then is to dissolve the exposing metal position of this stainless steel work-piece;
D. demoulding treats that above-mentioned electrolysis to predetermined extent, removes its surperficial remaining glued membrane again with lysate, and last water cleans up and obtains etching and processing workpiece product.
3. stainless steel electrolytic etching technique according to claim 2 is characterized in that, coating comprises the luxuriant and rich with fragrance continuous heavy rain of making, exposure imaging, making web plate, silk screen printing process among the step b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610132410A CN100588757C (en) | 2006-12-29 | 2006-12-29 | A kind of stainless steel electrolytic etching technique |
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| CN200610132410A CN100588757C (en) | 2006-12-29 | 2006-12-29 | A kind of stainless steel electrolytic etching technique |
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| CN101210343A true CN101210343A (en) | 2008-07-02 |
| CN100588757C CN100588757C (en) | 2010-02-10 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887031A (en) * | 2011-07-22 | 2013-01-23 | 比亚迪股份有限公司 | Method for forming machining textures on surface of stainless steel |
| CN103160909A (en) * | 2011-12-15 | 2013-06-19 | 比亚迪股份有限公司 | Electroetching solution used for electroetching of amorphous alloy member and etching method |
| CN103203975A (en) * | 2012-01-16 | 2013-07-17 | 昆山允升吉光电科技有限公司 | A production method for mark points on an electroformed mask plate |
| CN103786002A (en) * | 2014-03-07 | 2014-05-14 | 上海英汇科技发展有限公司 | Stainless steel threshold plaque processing technique |
| CN104018212A (en) * | 2014-06-23 | 2014-09-03 | 上海英汇科技发展有限公司 | Environment-friendly etching treatment process for stainless steel doorsill plaque |
| CN104695004A (en) * | 2013-12-05 | 2015-06-10 | 绿点高新科技股份有限公司 | Aluminum-containing product with wood grain lines and surface treatment method of product |
| CN104911684A (en) * | 2015-04-15 | 2015-09-16 | 京东方科技集团股份有限公司 | Manufacturing method of array substrate and electrolyte |
| CN107208280A (en) * | 2015-02-12 | 2017-09-26 | Mec股份有限公司 | Etching solution and engraving method |
| CN108774747A (en) * | 2018-06-12 | 2018-11-09 | 江苏博敏电子有限公司 | A kind of electrolytic etching prepares the electrolytic etching liquid of PCB fine-lines |
| CN111263996A (en) * | 2017-10-25 | 2020-06-09 | 杰富意钢铁株式会社 | Method for producing stainless steel sheet for separator of fuel cell |
| CN113862766A (en) * | 2021-08-23 | 2021-12-31 | 格力电器（郑州）有限公司 | Method and device for processing surface grains of iron workpiece |
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| CN104240602A (en) * | 2013-06-21 | 2014-12-24 | 镇江江城金属制品有限公司 | Signboard manufacturing method |
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- 2006-12-29 CN CN200610132410A patent/CN100588757C/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887031A (en) * | 2011-07-22 | 2013-01-23 | 比亚迪股份有限公司 | Method for forming machining textures on surface of stainless steel |
| CN103160909A (en) * | 2011-12-15 | 2013-06-19 | 比亚迪股份有限公司 | Electroetching solution used for electroetching of amorphous alloy member and etching method |
| CN103203975A (en) * | 2012-01-16 | 2013-07-17 | 昆山允升吉光电科技有限公司 | A production method for mark points on an electroformed mask plate |
| CN104695004A (en) * | 2013-12-05 | 2015-06-10 | 绿点高新科技股份有限公司 | Aluminum-containing product with wood grain lines and surface treatment method of product |
| CN103786002A (en) * | 2014-03-07 | 2014-05-14 | 上海英汇科技发展有限公司 | Stainless steel threshold plaque processing technique |
| CN104018212A (en) * | 2014-06-23 | 2014-09-03 | 上海英汇科技发展有限公司 | Environment-friendly etching treatment process for stainless steel doorsill plaque |
| CN104018212B (en) * | 2014-06-23 | 2016-06-29 | 上海英汇科技发展有限公司 | A kind of rustless steel door sill decorative plate etch process of environment-friendly type |
| CN107208280B (en) * | 2015-02-12 | 2019-06-07 | Mec股份有限公司 | Etching solution and engraving method |
| CN107208280A (en) * | 2015-02-12 | 2017-09-26 | Mec股份有限公司 | Etching solution and engraving method |
| EP3257969B1 (en) * | 2015-02-12 | 2020-04-22 | Mec Company Ltd. | Etching liquid and etching method |
| CN104911684A (en) * | 2015-04-15 | 2015-09-16 | 京东方科技集团股份有限公司 | Manufacturing method of array substrate and electrolyte |
| CN111263996A (en) * | 2017-10-25 | 2020-06-09 | 杰富意钢铁株式会社 | Method for producing stainless steel sheet for separator of fuel cell |
| US11618967B2 (en) | 2017-10-25 | 2023-04-04 | Jfe Steel Corporation | Production method for stainless steel sheet for fuel cell separators |
| CN108774747A (en) * | 2018-06-12 | 2018-11-09 | 江苏博敏电子有限公司 | A kind of electrolytic etching prepares the electrolytic etching liquid of PCB fine-lines |
| CN113862766A (en) * | 2021-08-23 | 2021-12-31 | 格力电器（郑州）有限公司 | Method and device for processing surface grains of iron workpiece |
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| CN100588757C (en) | 2010-02-10 |
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